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Photo: Daniel Sone, National Cancer Institute / Unsplash
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Leptin is a hormone released by fat cells that tells the brain how much energy the body has stored, helping to reduce hunger and regulate body weight.
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Fat cells release leptin roughly in proportion to their size, so leptin levels rise as fat stores grow.
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Falling leptin after weight loss is part of the biology that makes maintenance hard after stopping a GLP-1.
Leptin is a hormone released by fat cells that tells the brain how much energy the body has stored, helping to reduce hunger and regulate body weight.
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